| 主权项 |
1. A drag reducing apparatus for reducing drag on a vehicle with a substantially vertical rear end portion, the drag reducing apparatus positioned adjacent the substantially vertical rear end portion of the vehicle, the drag reducing apparatus comprising:
an upper panel; a lower panel, the upper panel positioned above the lower panel; a first connecting structure between the upper panel and the lower panel, the first connecting structure comprising:
a first member hingedly mounted to the substantially vertical rear end portion of the vehicle;a second member pivotally connected to the first member and connected to the upper panel at a first joint; anda third member pivotally connected to the first member and connected to the lower panel at a second joint; wherein the upper panel and the lower panel are moveable from a stowed position on the substantially vertical rear end portion to a deployed position in which the upper panel and the lower panel define at least a portion of an aerodynamic structure with a rearwardly opening cavity; and wherein moving the upper panel and the lower panel is coordinated with the first connecting structure. |
